[Kolokotronis]

"Consubstantialem", the Latin for "Omoousion", really does mean "of one essence with". Of one substance would have been "conmaterialem". A Roman Catholic writer on these threads opined that "of one substance" was a slavish, if misguided, attempt to follow the Latin. The problem with the word substance is that, in English, it implies a certain anthropomorphic tangibility, that is to say, something we can physically touch, which bespeaks a greater knowledge of the real nature of the Trinity than we possess. Its not a big point, but it has important implications for how we think about the Trinity.

[sionnsar]

The problem with the word substance is that, in English, it implies a certain anthropomorphic tangibility, that is to say, something we can physically touch

Odd. I had never thought of that...